Shock-absorber.



' een e'iiairee `flee.ren"'il ermee,

LEWIS 1P. HALLAJAY, GIF STRATB, ILLXN 01S.,y

SHOCK-ABSORBER.

Leonesa J -To 'all 'whom may concern.'

VBe it Aknown that l, LEWIS P. HMZLADAY, u citizen of the United States, residing .at

litreator, in the county of Le Salle and State of Illinois, have invented e certain new und useful linproveinent in Shock-Absorbers, of

f which the following is a speeieation,

VMy inventionv .relates to improvements; in

shoelr ubsorlxersor auxiliary spring?,` suspeir.l

sions for inotor vehicles and lthe like.

vlt has for one ohjeot-to'provide-an auxiliaryfslpring suspeneionI which muy he used in eonneetionwith the usual type of automobile orrinotor vehicle.

`Another object lis to provide suoli an auxiliury Spring suspension as will be easily and 'eonven-iently attached and render it in proper operative,condition at :ill times, und suoli :is will requirene Special arrangement or adjustment to 'render-it operative in con` .Y nee-tion with the ordinary type of motor vehirles. y

.My invention is 'illustratedniore or less diagrammatieelly in the accompanying' drawings, wherein- Figure l shows a section through un automobile rear axle, with parte omitted and parts broken away, showing :t three-quarter elliptical spring in part elevation anfl'rny levn'e in position thereon in part Section;

i i Figi is aipliin of the parts shown in Eig.

luith iarts omitted unil )arts broken 'aw-iv Figli is a Section along the line 3MB of Fig. lg; Fig. 4 is n section. along the line ela-fl otllig. l; :incl Fig. 5 is a Side elevation elle nioililefl form showing the device :ittarlierl to u senil-elliptic Spring.

Lilie parts are indicated by like letters throughout the several figures.

Ay felix-esente the `motor vehieles chassis ,v frame.. On this Chassis freine is anchored `on the one-half elliptical spring A5Whieh' the quarter elliptical spring A1l having` a scroll enrl A2. This scroll end is provided at. its terniiinis'witli :i sir-ing" holt eye A3 .l

logaterlimmediately belou7 u similar eye A4 onefhalf elliptical spring is supported at sin intermediate point on `the axle A". ln the ordinary automobile spring construction there will be i link conn'eetingthe enel of direct rozid shoelrs,\the spring heeomes the scroll quarter spring and the end oli' the half elliptieel spring. In my device, however, I' dispense with the link and substitute ytherefor the pair of levers es shown.

Specification of Letters Patent. i Palel'leill UGH?. le?, g; .eppiieationeieanecember17,1915.. eeriailvo. aisee. l f i l Its free, enel B2 rests pivotallyl sus ended from links- B.; lt is.

forked aser, 0. te engage the spring eye A3 and is forked as et 13T to permitv the spring` A5 to pass between its forked ends. Theee forked @misere tied together `by the yoke BS which @verlies the spring Ai f C is u Uehaped anchor yoke, the center of the U resting against the bottom of the spring ,A51 The arms -e the U pass up through perfor-ations C1. in the forked fims Bl. Springs C2 surround euch arms, rest upon the upper surfaces of the forked arms B7 and `abut upon ytheir upper ends on' Washer C3 end held in position by nuts C4 on the upper `ends of the U yoke arms. v

In the inodiecl forni shewn in Fig. 5, the lever D is pivotefl et itsrearencl on'the chassis freine Dl enel is pivotall mounted near its rear end on the link-D2 hevingthe boss D3 resting upon the upper surfeee of the spring DE lThe coilspringt'l)5 iseon-r neeted ,to the free end of 'the lever, being l mounterl 'on the spring: 'DtA IThe yoke l.

eonneets pivotally the lever -D with the encl of the'ehassis freine D1. t i

K It Willv be evident that while l have shown in my drawings an operative device, Still inuny changes might be izn'ule `both in size, shape and arrangement ol" parts, Without de parting from the Spirit of my invention, and I wish therefore that myrlrevvinge be regai-fled ves in Aa, Sense diagrammatic.

The luse and operation of'myvdevce' is es; follows: It is 'of Course well understood that the ordinary type of flat leaf spring used in automobile enel motor vehiele suspension v has manifest limi'tiitions.y If'the'ilet v'spring` is mede powerful enough to carry the Weight l of the vehicle and proteet the fpjrrts,frein@v powerful that il. is if'iseositive' or Sub tifxlly insensitive to minor Shoal: o? vlo'aw tion. llo so fai.' as these minor fzliocke are concerned, the spying; operates :1131 2l, .i'igiil l'u 'lle modified femm Shown' in Fig. the 112er :ae Drefselre Such as caused by styile membei; ll' you 'make il; so .flexible that iii; ing e Jump, the end of the spring :Wfl not opeme, then il; is not smerig' enough the elmgsis Emme re approach, thus leiulin to adequalgely sii-gpo@ 1li@ load under eiyolgziieu of the lever in a Counteroumstanees of grealze lmfs been. wise direction, huS flexing the coil proposed to remedy 'this Cli''leulty by .inleru, The springmay 'be in compression. posing between the motor vehicle. and the benelux., may be anchored eithe on 'bhe axle,so1newlierein the Sp1-ing silepension., :L lai; leaf spriiig or on the ehassis, bui: in coil spiir 'with indirect tension or mlireol; every ease lie 10ml is taken by e yielding `eompief lon. This coil Spring .may be meile force applied through e long level' aufm more lexlble, and having a, clilleienc mange the :lessiblog force or yielding force Elms el vibra-tion .it 'xemls to overcome olili though a, relavely long tlm/*ely alms culi-.yj lout- ,sinoe the full load must. be elipeasily @nel smoothly resisting the movemeo; ported by this coil spring, the s pfiog of the perle must be comparatiWely 'rigid ,alici heavy: l elaii'o: v structure and. 'the same defecte oimcl in l. A combination Willa a at leaf sprli'igj it in a lessei (leg'ee to be sure than :we :impone-ion for meter vehicles and the like, founfl in connection with the heavy leaf of an :mellor link pivoteel en the spring, e spring. T level 'whiel' in my imvenlion ,is level. suspeusleil ben/eetl?. lle spring from nterpesed belsween the sp1-ing members ixmer eile Said anchor liil;a e pivot conbetween the spring member and the ollassie oec-ion 4be'wveen one end of the levelaxicl elle from@ pelmi'. the dee of a lighter, mole llex- Vel i l yielding .means or prevenblng g@ ible auxiliar? spiral spring. The resul. is .ro n Seiil level, seid lever being bifm that as a vehicle passer; over bump or. ol)- omevl .mul having its mms located thereon on struction, his ligl'y sp1-ing freely gliele, mal mi" eide 'lle spring., a tie-yoke extem the occuparmi-s of the vehicle are pz'o'beeieal "momes sell spring between ea'lcl "biliarfi'om lie shock. The levez1 :is pl'ovflecl fue cole arms ano adapted to ille the free biful- 95 nishes a pre'clezel-mined m premrrange g, @meal @mls of the levertogether and serve anchorage for bell; ends of the Sprin g'. This a stop which limits the downward movespring may be in compifession or in tension. ment of like level'.

ln the 'wo modifications which have eomlimgion with a let leef. spring A migggeeteil, neniel where the lever is used suepeneioo foi motor vehioles and the like, 100 with the semi-elliptic and three-quarte of an anchor link'pivoitefl on the spring;9 o elli. pti@ spring, it will be :noted that the load lever suspended beneath the spring from the on the lever tends to' yal/ate it aboul a ulinne? emi o' Seid anche? lnlfa pivot coi mmm. The loacl applied about a short mention befzween one enel of 'lle lever :mil lie 4lever u1u mal is resista?. oy n, yielding 'lorca vel-nal@ :nifl yiellng means for prevee w o acting tlu'ough. e. lol level? ai'nil3`l1?.is; e light rom ion o seid lei/er, o. :,folefengaging lexible spying; may be usal, in one instance swim" io movable engglgemenl; vill elle lesuL-l'. ne is illi'xsmed fm. .my (lvm/inge. l vm-, mul springs n'erposecl between Suid. would me io. miautomobile, n so-ezillenl l0@ yoke anal ,will levee., pound spring: Wl'lerein 'lli l was lo pula falle l combination with e Hai; lem Spring no foil Spf-,ing fliectly at the end of elle elliplie 'melon for motevehicles and the like7 Hiring, l would have lo use o 500 @ouml mellor linl pivete. on lle e@ 1312.55., Swine". Course lle light spying is more lever: sslmpemleil llene-aib. aiming 'l'ell the f1e..blo auml meiliont .euml responde mem' r vl. el" eeiclmlel'loy lilik? a, pivot conquivkly :in traveling lirmlgh .a long-e13- psltn; o bom .en one. eml el lle le'vei. and ich@ ahem-M i shock lo l m0' itiisfaeto'y :mil effective me nel' than if e., hgh-'5 soorepiiog 'f rough. a, short pelli. ereon in alle :litt ease allie le spring, al yoke engaging heil, that il; may he n. n movable*engagement 'with irely on lle sp1-.ing without m.- lever Mill lmepoe laelween said izi'rlnevoooe will 'elle loofly any Way. my y llle ulerum as'euecl by he tie-link' al; fl. A cog'ibinfmionWillie let leaf spring some point on top ol' the axial supporzefl suspension forjeoloepveh-eles' and the like, spline. The coil spx-ing :zml its yoke eye of im. mellor ook pivolecl on the spring, a 12.5; positioned. upon alle axle Juppm'ted sin" leve? siisgomledla-emaille tligspingfrom the by the lever, :ood he gzfvgs are 'free to move lime emi of mellor lullige pivot con lzlxnmo'h penso-liable lil s i 'wel inerlerneclon beween one enclv of zlelever enel he eme load. without (lou any lfimuge. im. vehicle, aio-.fl j loling mean@ for preveeig .immense @mesure elle of'eom'ee 'o my rolmiou of solo. lei/erg Saivll "im/eil being la'lm 15.@

cated and having its arms located thereon on either sde'of the spring, a tie-yoke extending` across said sprngvbetween said bifur ente arms,j a Yoke engaging the spring in movable engagement with the lever and springs interposed" between said yoke and said lever.

In Ytestimony whereof, I afix my signature n the presence of two Witness this 14th (my of December 1915.v ILEWIS P. HALLADAY.' Vx'tnesses GENEVA Hlmmr, MINNIE MJILIIMWAU. 

